The Weather Company Data Core API

The Weather Company API from IBM Watson & Cloud Platform operates the weather data from weather.com, intellicast.com, and Weather Underground. What used to be separate company APIs are now encompassed into The Weather Company Data Core API. Aimed at business customers, data offered through this API includes current conditions, 2-day hourly forecast, site based observations, time series observations, weather alerts, daily and monthly almanac, radar and satellite images, location services, and more. Developer wishing to access the API or documentation need to contact the provider. The Weather Company offers other weather API packages as well.